19547937

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 29113344

約数和(自身を除く): 9565407

約数列:

[1, 3, 9, 53, 107, 159, 321, 383, 477, 963, 1149, 3447, 5671, 17013, 20299, 40981, 51039, 60897, 122943, 182691, 368829, 2171993, 6515979, 19547937]

約数ペア:

[(1, 19547937), (3, 6515979), (9, 2171993), (53, 368829), (107, 182691), (159, 122943), (321, 60897), (383, 51039), (477, 40981), (963, 20299), (1149, 17013), (3447, 5671)]